package com.atguigu.lease.web.admin.interceptors;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exceptionhandler.BusiException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

@Component
public class AuthenticationAdminInterceptor implements HandlerInterceptor {
            // 身份认证authentication

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token = request.getHeader("access_token");
        if (token == null) {
            throw new BusiException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
        }
        Claims claims = JwtUtil.parseToken(token);
        Long userId = claims.get("userId", Long.class);
        String userName = claims.get("userName", String.class);
        LoginUser loginUser = new LoginUser();
        loginUser.setUserId(userId);
        loginUser.setUsername(userName);
        LoginUserContext.setContext(loginUser);
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.clearContext();
    }
}
